Invisible Hinge Model 218 For Doors 1 3/4 Inch To 2 Inch Opens 180 Degrees And Swings In One Direction 20 Minute Fire Rated Zinc Satin Nickel Exterior Finish Fully Mortised Hidden Door Hardware With Non Removable Rivet Pin Model 218US15
UPC:
✔️ Single hinge for 1.75-2 in doors; 180° swing; fire rated
Invisible hinge model 218 is fully mortised into the door and frame, delivering a seamless pivot that stays hidden from both sides when the door is closed. Built for wood or metal applications, it’s perfect for premium interior and exterior doors where a flush, clean look and dependable operation matter.
✅ Door thickness: 1 3/4 in-2 in (44.45-50.8 mm)
✅ Opens 180 degrees and swings in one direction
✅ Riveted steel hinge pin is non-removable
✅ Fully mortised into door and frame; hinge not visible when closed
✅ No adjustment needed after installation; stable fit
✅ Moving pivot point reduces external pinch points
✅ Nylon hinge links provide smooth, quiet operation
✅ 20 minute UL fire rating for safety and code compliance
✅ Satin Nickel exterior finish for durability and aesthetics
💡 What is an invisible hinge used for in flush mount doors and concealed hardware? This handy piece keeps doors clean and secure while allowing smooth operation. - Concealed mounting for flush door installations and hidden hardware - 180-degree swing supports wide passages in tight spaces - Mortised installation ensures clean, uninterrupted door line - Durable, long-lasting performance for wood or metal doors